Funding for this research was provided by:
Major projects of Key project of Fujian provincial youth natural fund (JZ160481)
Education and scientific research projects of young and middle-aged teachers in Fujian Province (JAT160483)
Received: 23 April 2020
Accepted: 2 June 2020
First Online: 18 June 2020
Ethics approval and consent to participate
: This study based on samples collected intestinal contents of pigs that died spontaneously and were submitted for routine diagnonsis by the owners. Informed consent was obtained from all individual participants included in the study.
: No applicable.
: The authors declare that they have no conflict of interest.